Building controller



FIG. 1 is a perspective view of a building controller;

FIG. 2 is a front view of the building controller;

FIG. 3 is a rear view of the building controller;

FIG. 4 is a left view of the building controller;

FIG. 5 is a right view of the building controller;

FIG. 6 is a top view of the building controller; and,

FIG. 7 is a bottom view of the building controller. 

CLAIM The ornamental design for a building controller, as shown and described. 